<form method='POST' action='/'>
<table><tr><th><label for="id_stock_tickers">Stock tickers:</label></th><td><input type="text" name="stock_tickers" id="id_stock_tickers" /></td></tr>
<tr><th><label for="id_length">Length:</label></th><td><input type="text" name="length" id="id_length" /></td></tr>
<tr><th><label for="id_expected_return">Expected return:</label></th><td><input type="text" name="expected_return" id="id_expected_return" /></td></tr><tr><th>&nbsp;</th><td><input type='submit' value="submit"></td></tr>
</table>
</form>